hostap/tests/hwsim/test_bgscan.py
Jouni Malinen c975e1c1da tests: Additional bgscan coverage
Verify error cases in bgscan module parameters. Increase learn bgscan
module coverage with parsing of the saved data and probe frequency
selection.

Signed-off-by: Jouni Malinen <j@w1.fi>
2015-01-06 02:49:13 +02:00

167 lines
6.1 KiB
Python

# bgscan tests
# Copyright (c) 2014, Jouni Malinen <j@w1.fi>
#
# This software may be distributed under the terms of the BSD license.
# See README for more details.
import time
import logging
logger = logging.getLogger()
import os
import hostapd
def test_bgscan_simple(dev, apdev):
"""bgscan_simple"""
hostapd.add_ap(apdev[0]['ifname'], { "ssid": "bgscan" })
hostapd.add_ap(apdev[1]['ifname'], { "ssid": "bgscan" })
dev[0].connect("bgscan", key_mgmt="NONE", scan_freq="2412",
bgscan="simple:1:-20:2")
dev[1].connect("bgscan", key_mgmt="NONE", scan_freq="2412",
bgscan="simple:1:-45:2")
dev[2].connect("bgscan", key_mgmt="NONE", scan_freq="2412",
bgscan="simple:1:-45")
dev[2].request("REMOVE_NETWORK all")
dev[2].wait_disconnected()
dev[2].connect("bgscan", key_mgmt="NONE", scan_freq="2412",
bgscan="simple:0:0")
dev[2].request("REMOVE_NETWORK all")
dev[2].wait_disconnected()
dev[2].connect("bgscan", key_mgmt="NONE", scan_freq="2412",
bgscan="simple")
dev[2].request("REMOVE_NETWORK all")
dev[2].wait_disconnected()
dev[2].connect("bgscan", key_mgmt="NONE", scan_freq="2412",
bgscan="simple:1")
dev[2].request("REMOVE_NETWORK all")
dev[2].wait_disconnected()
ev = dev[0].wait_event(["CTRL-EVENT-SIGNAL-CHANGE"], timeout=10)
if ev is None:
raise Exception("dev0 did not indicate signal change event")
if "above=0" not in ev:
raise Exception("Unexpected signal change event contents from dev0: " + ev)
ev = dev[1].wait_event(["CTRL-EVENT-SIGNAL-CHANGE"], timeout=10)
if ev is None:
raise Exception("dev1 did not indicate signal change event")
if "above=1" not in ev:
raise Exception("Unexpected signal change event contents from dev1: " + ev)
ev = dev[0].wait_event(["CTRL-EVENT-SCAN-STARTED"], timeout=3)
if ev is None:
raise Exception("dev0 did not start a scan")
ev = dev[1].wait_event(["CTRL-EVENT-SCAN-STARTED"], timeout=3)
if ev is None:
raise Exception("dev1 did not start a scan")
ev = dev[0].wait_event(["CTRL-EVENT-SCAN-RESULTS"], 5)
if ev is None:
raise Exception("dev0 did not complete a scan")
ev = dev[1].wait_event(["CTRL-EVENT-SCAN-RESULTS"], 5)
if ev is None:
raise Exception("dev1 did not complete a scan")
def test_bgscan_learn(dev, apdev):
"""bgscan_learn"""
hostapd.add_ap(apdev[0]['ifname'], { "ssid": "bgscan" })
hostapd.add_ap(apdev[1]['ifname'], { "ssid": "bgscan" })
try:
os.remove("/tmp/test_bgscan_learn.bgscan")
except:
pass
try:
dev[0].connect("bgscan", key_mgmt="NONE", scan_freq="2412",
bgscan="learn:1:-20:2")
id = dev[1].connect("bgscan", key_mgmt="NONE", scan_freq="2412",
bgscan="learn:1:-45:2:/tmp/test_bgscan_learn.bgscan")
dev[2].connect("bgscan", key_mgmt="NONE", scan_freq="2412",
bgscan="learn:1:-45")
dev[2].request("REMOVE_NETWORK all")
dev[2].wait_disconnected()
dev[2].connect("bgscan", key_mgmt="NONE", scan_freq="2412",
bgscan="learn:0:0")
dev[2].request("REMOVE_NETWORK all")
dev[2].wait_disconnected()
dev[2].connect("bgscan", key_mgmt="NONE", scan_freq="2412",
bgscan="learn")
dev[2].request("REMOVE_NETWORK all")
dev[2].wait_disconnected()
dev[2].connect("bgscan", key_mgmt="NONE", scan_freq="2412",
bgscan="learn:1")
dev[2].request("REMOVE_NETWORK all")
dev[2].wait_disconnected()
ev = dev[0].wait_event(["CTRL-EVENT-SIGNAL-CHANGE"], timeout=10)
if ev is None:
raise Exception("dev0 did not indicate signal change event")
if "above=0" not in ev:
raise Exception("Unexpected signal change event contents from dev0: " + ev)
ev = dev[1].wait_event(["CTRL-EVENT-SIGNAL-CHANGE"], timeout=10)
if ev is None:
raise Exception("dev1 did not indicate signal change event")
if "above=1" not in ev:
raise Exception("Unexpected signal change event contents from dev1: " + ev)
ev = dev[0].wait_event(["CTRL-EVENT-SCAN-STARTED"], timeout=3)
if ev is None:
raise Exception("dev0 did not start a scan")
ev = dev[1].wait_event(["CTRL-EVENT-SCAN-STARTED"], timeout=3)
if ev is None:
raise Exception("dev1 did not start a scan")
ev = dev[0].wait_event(["CTRL-EVENT-SCAN-RESULTS"], 5)
if ev is None:
raise Exception("dev0 did not complete a scan")
ev = dev[1].wait_event(["CTRL-EVENT-SCAN-RESULTS"], 5)
if ev is None:
raise Exception("dev1 did not complete a scan")
dev[0].request("DISCONNECT")
dev[1].request("DISCONNECT")
dev[0].request("REMOVE_NETWORK all")
with open("/tmp/test_bgscan_learn.bgscan", "r") as f:
lines = f.read().splitlines()
if lines[0] != "wpa_supplicant-bgscan-learn":
raise Exception("Unexpected bgscan header line")
if 'BSS 02:00:00:00:03:00 2412' not in lines:
raise Exception("Missing BSS1")
if 'BSS 02:00:00:00:04:00 2412' not in lines:
raise Exception("Missing BSS2")
if 'NEIGHBOR 02:00:00:00:03:00 02:00:00:00:04:00' not in lines:
raise Exception("Missing BSS1->BSS2 neighbor entry")
if 'NEIGHBOR 02:00:00:00:04:00 02:00:00:00:03:00' not in lines:
raise Exception("Missing BSS2->BSS1 neighbor entry")
dev[1].set_network(id, "scan_freq", "")
dev[1].connect_network(id)
ev = dev[1].wait_event(["CTRL-EVENT-SCAN-STARTED"], timeout=10)
if ev is None:
raise Exception("dev1 did not start a scan")
ev = dev[1].wait_event(["CTRL-EVENT-SCAN-RESULTS"], 10)
if ev is None:
raise Exception("dev1 did not complete a scan")
dev[1].request("REMOVE_NETWORK all")
finally:
try:
os.remove("/tmp/test_bgscan_learn.bgscan")
except:
pass